how we remove the special character from any string
for examplestring sSpecailChar="rajesh have $280.00 Rs. only, What!?"
in this sample how remove the special character like $!.?
is the best solution of this problem

we use regex class which contain many important properties like relace(), split(), match() etc
we remove the special char from any string for example:
firstly, we use System.Text.RegularExpressions namespce